Support post for the side walls of a trailer
FIG. 1 is a front elevation view of a support post for the side walls of a trailer showing my new design; 
     FIG. 2 is a side elevation view thereof, the opposite side being a mirror image of that shown; 
     FIG. 3 is an enlarged fragmentary side elevation view of the top portion thereof shown within the circle 3 in FIG. 2; 
     FIG. 4 is a front elevation view of FIG. 3 within the circle 4 in FIG. 1; 
     FIG. 5 is an enlarged fragmentary front elevation view of the lower portion thereof within the circle 5 in FIG. 1; 
     FIG. 6 is a left side elevation view of FIG. 5; 
     FIG. 7 is an enlarged top plan view of FIG. 2; and 
     FIG. 8 is a rear elevation view of FIG. 1. 
     The support post has been broken away in the middle in FIGS. 1, 2 and 8 to indicate indeterminate length and in FIGS. 5 and 6 for convenience illustration.